grain boundary sliding

Deformation mechanism where grains slide along grain boundaries. This mechanism is limited to fine-grained rocks and/or relatively high temperature

Related terms:

• grain boundary area reduction
• high-temperature grain boundary migration (GBM) recrystallisation
• grain boundary misorientation map
• grain boundary migration
• grain boundary
• left-over grain
• grain shape preferred orientation
• grain
• new grain
• interphase boundary